1554404052 has 12 divisors (see below), whose sum is σ = 3626942816. Its totient is φ = 518134680.

The previous prime is 1554404017. The next prime is 1554404053. The reversal of 1554404052 is 2504044551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554404053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64766824 + ... + 64766847.

Almost surely, 2^1554404052 is an apocalyptic number.

1554404052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1554404052 is an abundant number, since it is smaller than the sum of its proper divisors (2072538764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1554404052 is a wasteful number, since it uses less digits than its factorization.

1554404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129533678 (or 129533676 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1554404052 is about 39425.9312128452. The cubic root of 1554404052 is about 1158.3895736451.

The spelling of 1554404052 in words is "one billion, five hundred fifty-four million, four hundred four thousand, fifty-two".